PDI 01 6.01mm Precision Barrel (99.2mm) for Tokyo Marui XDM 40

PDI barrels are cold-hammer forged from stainless steel, which is the same process how real rifle barrels are produced. They have a superior tolerance and roundness of the inner surface compared to anything else on the market. PDI 01 6.01mm Precision Barrel for Marui XDM 40 Airsoft GBB (99.2mm) Internal diameter 6.01mm built for precision shooting Genuine Products by PDI Suitable for Airsoft Gas Blow Black GBB Series Pistol Choose this barrel to suit your Airsoft model Perfect for tighter grouping & more accurate shooting Length : 99.2mm Inner Diameter : 6.01mm Outer Diameter : 8.55mm